R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply vs Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
Updated August 2026 — R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply wins on price and safety, Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions wins on aesthetics.
The RasTech power supply is an economical and reliable choice for Raspberry Pi users, while the Sirlyr RGB cable enhances visual aesthetics for PC builds. Choose based on your specific needs.
Why R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply is better
Price
RasTech is significantly cheaper at $12.99.
Functionality
Designed specifically for Raspberry Pi with high power output.
Safety Features
Includes six-layer protection for device safety.
Why Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions is better
Aesthetics
RGB lighting enhances visual appeal.
Customization
Includes a mini controller for lighting effects.
Material Quality
Uses TPE/silicone for flexibility and durability.
Overall score
Specifications
| Spec | R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply | Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions |
|---|---|---|
| Voltage | 5.1V | 5V |
| Current | 5A | N/A |
| Cable Length | 1.3M | N/A |
| RGB Sync | No | Yes |
| Material | N/A | TPE/Silicone |
Dimension comparison
Overview of the Products
In this comparison, we delve into two distinct products: the RasTech for Raspberry Pi 5 GaN PD 27W Power Supply and the Sirlyr 24 Pin RGB Cable. Each product serves a unique purpose, catering to different needs within the tech community. The RasTech power supply is specifically designed for powering Raspberry Pi devices, while the Sirlyr RGB cable enhances the aesthetic appeal of computer builds with customizable lighting.
Purpose and Functionality
The RasTech power supply is crafted for the Raspberry Pi 5, delivering up to 5.1V and 5A of power. This ensures that the device can operate effectively, even when powering multiple peripherals. It features a GaN (Gallium Nitride) design that allows for efficient power transfer and heat management. In contrast, the Sirlyr RGB Cable serves a decorative function in PC builds, featuring 360-degree lighting and compatibility with various RGB sync systems like ASUS AURA and Gigabyte RGB Fusion 2.0. While the RasTech power supply focuses on functionality and reliability for computing needs, the Sirlyr RGB cable appeals to gamers and PC enthusiasts looking to elevate their setup's visual aesthetics.
Design and Aesthetics
The RasTech power supply boasts a sleek black design that is practical for use in various settings without drawing unnecessary attention. However, it is primarily functional with its 1.3M cable length designed for straightforward connectivity. On the other hand, the Sirlyr RGB Cable is designed to dazzle with its illuminated features, integrating 120 light beads to provide a vibrant lighting effect. Its goal is to make your PC setup look cooler and brighter. While the RasTech focuses on delivering reliable power, the Sirlyr excels in transforming the visual experience of a gaming rig.
Quality and Durability
Quality is paramount in both products, but they cater to different aspects. The RasTech power supply includes a six-layer protection function, safeguarding against over-power, over-current, short circuits, and more. This makes it a sturdy choice for those concerned about device safety during operation. In contrast, the Sirlyr RGB Cable utilizes TPE/silicone materials, allowing for easy bending and routing, making it durable while maintaining flexibility. The silver-plated wire core ensures stable current transfer, which is crucial for maintaining lighting performance. While both products emphasize quality, the RasTech focuses more on electrical safety, whereas the Sirlyr prioritizes aesthetic durability.
Compatibility
The RasTech power supply is specifically designed to be compatible with all Raspberry Pi 5 models—16GB, 8GB, 4GB, and 2GB variants—ensuring that users can power their devices without issues. It also offers versatility in delivering power to various PD-compatible products. On the other hand, the Sirlyr RGB Cable is a universal solution for any motherboard, making it compatible with all systems that support 5V 3-pin ARGB. This broad compatibility makes the Sirlyr a suitable choice for anyone looking to enhance their PC's lighting, regardless of the motherboard brand.
Price Comparison
The RasTech power supply is priced at $12.99, making it an economical choice for users needing reliable power for their Raspberry Pi devices. On the contrary, the Sirlyr RGB Cable comes in at $38.99, which is about 200% more expensive than the RasTech. This significant price difference reflects the distinct functionalities of the products. While the RasTech offers essential power capabilities, the Sirlyr focuses on advanced aesthetics and lighting features, justifying its higher price for those prioritizing visual enhancement in their setups.
User Experience and Installation
When it comes to user experience, the RasTech power supply is designed for straightforward plug-and-play functionality, allowing users to quickly set up their Raspberry Pi devices without hassle. Its compact size and sufficient cable length make it convenient for various setups. In contrast, the Sirlyr RGB Cable includes a mini controller for easy lighting customization and synchronization with music or gaming events, enhancing the user experience in terms of interactivity. However, installation may require more attention due to its integration with RGB systems and the need to ensure compatibility with the motherboard.
Which should you buy?
Choosing between the RasTech for Raspberry Pi 5 GaN PD 27W Power Supply and the Sirlyr 24 Pin RGB Cable ultimately depends on your specific needs. If you are looking for a reliable and affordable power solution for your Raspberry Pi, the RasTech is the clear winner at $12.99. However, if you prioritize aesthetics and want to enhance your gaming setup with customizable RGB lighting, the Sirlyr RGB Cable is worth the investment at $38.99. Each product excels in its domain, so your final choice should align with whether you need power stability or visual flair.

